/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.performance;

import cgl.narada.transport.TransportException;
import cgl.narada.transport.TransportHandlerImpl;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Company: </p>
 * @author Gurhan Gunduz
 * @version 1.0
 */

public interface MonitoringService {
  
  //there should be a reference to TransportHandler since
  //there is only one transporthandler per node
  public void setTransportHandler(TransportHandlerImpl th) 
  throws TransportException;
  
  
  //same for MeasurementInitiator.
  public void setMeasurementInitiatior(MeasurementInitiator mi) 
    throws MonitoringServiceException;

  public MeasurementInitiator getMeasurementInitiator();

  //cycles through all links and find the measuring ones.
  public void findMeasuringLinks();

//to see all the links created
  public void showAllLinks();

//to see the links that are doing the performance measurement.
  public void showMonitoredLinks();

//to get the measurement interval which is set by the measurementinitiator.
   public long getMeasurementInterval();


//to find the minimum measurement interval
//which is necessary while setting the measurement interval
//it is also important to see if any link is trying to set
//its measurement interval lesser than the measurement interval.
  public long getMinimumMeasurementInterval();


//  @throw exception when the measurement interval is lower than the minimum
  public void setMeasurementInterval(String linkId, long interval) throws MonitoringServiceException;

//start measurement initiator.
  public void startMeasurementInitiator() throws MonitoringServiceException;

//enable  specific link's measurement
  public void  enableLinkMeasurement(String LinkId);

//enable  the measurement for all the links
  public void  enableLinkMeasurement();

//disable  specific link's measurement
  public void  disableLinkMeasurement(String LinkId);

  public void enableLinkMeasurement(String linkID, String factor);

//disable  measurement on all of the links
  public void  disableLinkMeasurement();

//disable  measurement of specific factor on specific link.
  public void  disableLinkMeasurement(String linkID, String factor);


//set user group for the node.
  public void setUserGroup(String usergroup);

  public String getUserGroup();


}//end class


